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Description: Whitakers 2016 cover
Complete astronomical data, planetary and night sky information for the year 2019, plus information on Seasons, Time, Earth and Terrestrial Magnetism
Print publication date: Jun, 2019
Word count: 61,882
Astronomy 2019
British Summer Time is the legal time for general purposes...
Word count: 98
Astronomy 2019
The seasons are defined astronomically as follows:
Word count: 321
Astronomy 2019
In the present epoch, transits of Mercury occur in May or November. November transits are approximately twice as frequent as May transits.
Word count: 273
Astronomy 2019
During 2019 there will be 5 eclipses, 3 of the Sun and 2 of the Moon.
Word count: 247
Astronomy 2019
The length of a sidereal day in mean time is 23h 56m 04s.09.
Word count: 516
Astronomy 2019
From the earliest ages, the natural division of time into recurring periods of day and night has provided the practical time-scale for the everyday...
Word count: 3,316
Astronomy 2019
The refraction table is in the form of a critical table...
Subjects: mean refraction
Word count: 130
Astronomy 2019
The shape of the Earth is that of an oblate spheroid or solid of revolution whose meridian sections are ellipses not differing much from circles...
Word count: 382
Astronomy 2019
The Earth’s main magnetic field corresponds approximately to that of a very strong small bar magnet near the centre of the Earth, but with...
Word count: 1,098
Astronomy 2019
Explanation of the astronomical data and glossary of terms for the monthly data tables.
Word count: 3,247
Astronomy 2019
Description: JanuaryJanuary 2019Description: February
Complete astronomical data, planetary and night sky information for January.
Word count: 4,519
Astronomy 2019
Description: FebruaryFebruary 2019Description: March
Complete astronomical data, planetary and night sky information for February.
Word count: 4,150
Astronomy 2019
Description: MarchMarch 2019Description: April
Complete astronomical data, planetary and night sky information for March.
Word count: 4,429
Astronomy 2019
Description: AprilApril 2019Description: May
Complete astronomical data, planetary and night sky information for April.
Word count: 4,235
Astronomy 2019
Description: MayMay 2019Description: June
Complete astronomical data, planetary and night sky information for May.
Word count: 4,420
Astronomy 2019
Description: JuneJune 2019Description: July
Complete astronomical data, planetary and night sky information for June.
Word count: 4,257
Astronomy 2019
Description: JulyJuly 2019Description: August
Complete astronomical data, planetary and night sky information for July.
Word count: 4,388
Astronomy 2019
Description: AugustAugust 2019Description: September
Complete astronomical data, planetary and night sky information for August.
Word count: 4,399
Astronomy 2019
Description: SeptemberSeptember 2019Description: October
Complete astronomical data, planetary and night sky information for September.
Word count: 4,204
Astronomy 2019
Description: OctoberOctober 2019Description: November
Complete astronomical data, planetary and night sky information for October.
Word count: 4,414
Astronomy 2019
Description: NovemberNovember 2019Description: December
Complete astronomical data, planetary and night sky information for November.
Word count: 4,176
Astronomy 2019
Description: DecemberDecember 2019Description: January
Complete astronomical data, planetary and night sky information for December.
Word count: 4,422